Linked from
The 25 pages that link to Airfoil, each with the reason it gives.
GliderRelated: The glider's wing airfoil helps balance lift, drag, and performance.
AileronRelated: An aileron is a movable extension of the wing’s aerodynamic surface.
RotorcraftRelated: Each rotor blade acts as an airfoil while moving through the air.
Lawrence HargraveRelated: His curved surfaces explored how wing shape affects lift.
Nikolay ZhukovskyRelated: Zhukovsky analyzed how wing shape affects airflow and lift.